package cn.tedu.v2_3;


import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**练习：1.Client 添加 IP功能
 *      2.Server 关闭通讯、代码简洁，写Client
 *
 */
public class Client {
    private Socket socket;
    public Client() {
        try {
            socket=new Socket("127.0.0.1",4545);
        }catch (NullPointerException e){
            System.out.println("友情提示：IP传入错误导致连接失败~");
        } catch (UnknownHostException e){
            System.out.println("友情提示：IP传入出错");
        }catch (ConnectException e) {
            System.out.println("客户端连接失败：建议检查IP/端口号");
        }catch (IOException e) {
            System.out.println("客户端连接服务器端失败了，提示：检查IP/端口");
        }
    }
    public void start()  {
        PrintWriter pw=null;
        try {
            pw=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);
            System.out.println("对服务器说话~");
            Scanner input=new Scanner(System.in);
            String line=null;
            while (true){
                line=input.nextLine();
                pw.println(line);
                System.out.println("写出成功~");
            }
        } catch (UnsupportedEncodingException e){
            System.out.println("客户端或者服务器端编码集有问题");
        } catch (IOException e) {
            System.out.println("客户端连接服务器端：IO流操作出现错误");
        } finally {
            if (pw!=null)
            pw.close();
          if(socket!=null&&!socket.isClosed()){
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("通讯关闭失败~");
                }
            }
        }
    }
    public static void main(String[] args)  {
        new Client().start();
    }

private class CS implements Runnable{
    private Socket socket;
    private String ip;
    public CS(Socket s){
        this.socket=s;
        ip=socket.getInetAddress().getHostAddress();
    }
    public void run() {

    }
}
}